Novelty football helmet display



FIG. 1 is a side elevational view of an ornamental design for a football helmet display, the opposite side view being a mirror image thereof;

FIG. 2 is a top view;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view; and,

FIG. 5 is a bottom view. 

The ornamental design for a novelty football helmet display, as shown and described. 